M28 Capital Management LP — SEC Form 4 filings
SEC reporting owner CIK 1807489. 4 Form 4 filings on record with FilingPulse; latest filed 2026-05-21.
Transaction summary — filings shown
Covers all 4 filings on record, filed 2024-02-08 to 2026-05-21. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 466,666 shares, $6,999,990 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 5.
- Largest priced transaction: purchase of 466,666 shares @ $15.00 ($6,999,990) in Fractyl Health, Inc., filed 2024-02-08.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Fractyl Health, Inc. (GUTS) | Director | 1 | 1 leg · 466,666 sh · $6,999,990 | — | 2 |
| Invivyd, Inc. (IVVD) | — | 3 | — | — | 3 |
Form 4 filings — M28 Capital Management LP
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-21 | 4 | Invivyd, Inc. (IVVD) jointly with Elia Marc | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-05-22 | 4 | Invivyd, Inc. (IVVD) jointly with Elia Marc | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | Invivyd, Inc. (IVVD) jointly with Elia Marc | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2024-02-08 | 4 | Fractyl Health, Inc. (GUTS) jointly with Elia Marc | Conversion (C): 1,389,451 · Purchase (P): 466,666 @ $15 · Conversion (C): 2,981,763 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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